13) (8−x²+2x)/(3a) + 3x²/(3a) =

Question

\(\frac{8-x^2+2x}{3a}+\frac{3x^2}{3a}=\frac{8-x^2+2x+3x^2}{3a}=\frac{2x^2+2x+8}{3a}\).

Ответ: \(\frac{2x^2+2x+8}{3a}\)

Accepted Answer

\(\frac{8-x^2+2x}{3a}+\frac{3x^2}{3a}=\frac{8-x^2+2x+3x^2}{3a}=\frac{2x^2+2x+8}{3a}\).

Ответ: \(\frac{2x^2+2x+8}{3a}\)